Home / 38,488.23-57,733.98-12,192.39

Finding the Fourth Proportional to 38,488.23, 57,733.98 and 12,192.39

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Solution

The fourth proportional to 38,488.23, 57,733.98 and 12,192.39 is: 18,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,488.23 : 57,733.98 = 12,192.39 : x
  2. Step 2: Convert to fraction form
    38,488.23/57,733.98 = 12,192.39/x
  3. Step 3: Cross multiply
    38,488.23x = 57,733.98 × 12,192.39
  4. Step 4: Simplify right side
    38,488.23x = 703,915,139.45
  5. Step 5: Solve for x
    x = 703,915,139.45/38,488.23
  6. Step 6: Final answer
    x = 18,289.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.